1 <!DOCTYPE html>
2 <html>
3
4 <head>
5 <meta charset="utf-8">
6 <title></title>
7 </head>
8
9 <body>
10 <script type="text/javascript">
11 // 数组去重 并 排序
12 let arr = [1, 4, 6, 89, 1, 6, 8, 44, 55, 45, 88, 45, 55, 89, 10, 9, 11, 3, 4, 2, 3, 4, 5, 6, 7, 8, 9]
13 let arr2 = []
14 arr2.push(arr[0]);
15 for (let i = 0; i < arr.length; i++) {
16 if (!arr2.includes(arr[i])) {
17 arr2.push(arr[i])
18 }
19 }
20 arr2.sort((a, b) => {
21 return a - b
22 })
23 console.log(arr2)
24
25 </script>
26 </body>
27
28 </html>